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INTT vs RFIL: Correlation

How closely do inTest Corporation (INTT) and RF Industries, Ltd. (RFIL) trade together? Their weekly returns over three years give a correlation of 0.42, which is moderate.

Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology

Correlation (3Y)
0.42
moderate
Correlation (1Y)
0.49
last 12 months
Correlation (5Y)
0.35
long-run
Ann. covariance
1451.2
%² · weekly, annualized

How correlated are INTT and RFIL?

Over the past 3 years, INTT and RFIL moved with a correlation of 0.42, which is moderate. Recent behaviour matches the longer record: 0.49 over 1 year against 0.42 over 3. Over 5 years the correlation is 0.35, and the annualized covariance of weekly returns is 1451.2 %².

Within INTT's tracked universe of 12 assets, RFIL comes in at #6 by 3-year correlation. Correlation aside, the last 12 months split them widely, with INTT ahead by 15.0 points (+62.4% versus +47.4%).

How is this computed?

Pearson correlation on weekly returns: ρ(A,B) = cov(rA, rB) / (σA · σB), over windows of 52, 156 and 260 weeks. Covariance is annualized (×52) and expressed in %². Full definitions on the methodology page.

INTT vs RFIL: side by side

INTT (inTest Corporation)RFIL (RF Industries, Ltd.)
1-year return+62.4%+47.4%
5-year return-9.0%+32.3%
Volatility (ann.)51.5%67.8%
Beta vs S&P 5001.190.66
Max drawdown (3Y)-67.7%-50.7%
Market cap$0.1B$0.1B
P/E (trailing)165.483.5
Dividend yield0.00%0.00%
Sector / categoryUS ListedUS Listed
Lower P/E: RFIL 83.5 vs 165.4Smaller drawdown: RFIL -50.7% vs -67.7%Higher 5y return: RFIL +32.3% vs -9.0%
-19%0%+205%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. INTT · RFIL

Year-by-year returns

YearINTTRFIL
2022-19.0%-35.8%
2023+32.0%-40.9%
2024-36.8%+28.6%
2025-13.0%+47.8%
2026+55.0%+87.7%

Calendar-year price returns; the current year is year-to-date as of the data date above.

Are INTT and RFIL good diversifiers for each other?

Yes, to a useful degree: a correlation of 0.42 leaves real independence between the two, which historically damped combined volatility.

FAQ

What is the correlation between INTT and RFIL?

The INTT/RFIL correlation stands at 0.42 on a 3-year window (1 year: 0.49, 5 years: 0.35), computed from weekly returns as of 2026-08-27.

Is RFIL a good diversifier for INTT?

Yes, to a useful degree: a correlation of 0.42 leaves real independence between the two, which historically damped combined volatility.

What does a correlation of 0.42 mean?

On the −1 to +1 scale, 0.42 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.

Use this data

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INTT vs RFIL: 3-year weekly correlation 0.42INTT vs RFIL0.42

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Related comparisons

Hubs: INTT correlations · RFIL correlations